Is BackNav Backspace safe to use?

BackNav Backspace has a risk level of HIGH with an overall risk score of 6.4/10. Our scan detected 12 security findings. This extension has significant security concerns — review the full report before installing.

What permissions does BackNav Backspace request?

BackNav Backspace requests the following permissions: alarms, scripting, storage. It also requests host access to: .

What is BackNav Backspace's risk score?

BackNav Backspace has an overall risk score of 6.4/10 (HIGH). Breakdown: Permissions 7.0/10, Code 7.3/10, Combinations 10.0/10, CSP 3.1/10.

ExtSafe

BackNav BackspaceSecurity Analysis

Chromev1.0.2MV3February 18, 2026 at 11:42 AM

Potentially unsafe

This extension shows concerning patterns that may indicate risky behavior. Proceed with caution.

6.4HIGH

6.4 HIGHRaw: 7.1

This extension shows significant risk signals. Review the findings below carefully before installing or continuing to use it.

Based on 4 permissions including high-risk ones, 10 code findings, 1 dangerous combination.

Trust Signals(2.8/10)

Users

10K

Rating

4.6(3 reviews)

Dangerous Combinations(1)

CRITICALAll-sites access + keyboard capture

Extension has access to all sites and captures keyboard input — behavior consistent with a keylogger.

<all_urls>+keylogger_pattern

Permissions

7.0/10

Code

7.3/10

Combinations

10.0/10

Manifest/CSP

3.1/10

Permissions(4 analyzed)

Code Findings(9 patterns, 10 total)

Content Security Policy

No CSP Defined(1 issue)

MEDIUM

N/ANo CSP defined

This extension does not define a Content Security Policy. A CSP helps prevent XSS and code injection attacks.

Manifest Analysis(1 finding)

Resolved from __MSG_* i18n placeholders:

Name: BackNav Backspace

Description: Reactivate Backspace Shortcut for Page Navigation with BackNav

MEDIUM

content_scriptsContent script injected on all URLs

Content script matches <all_urls>, executing on every website the user visits.

External Domains(2)

github.comreactjs.org

Indicators of Compromise

2 indicators of compromise found

File Statistics

Total Files

JS Files

687.0 KB

Total Size

Other Scanned Extensions

1Password – Password Manager

7.4 HIGH

WebP / Avif image converter

6.3 HIGH

1Password – Password Manager

7.4 HIGH

AI Exporter: Save ChatGPT, Gemini to PDF, Word, MD and Notion

6.6 HIGH